Dear
I have checked that files already there is nothing to do with this.., The files have the owner as well as group root.....
Then what others pb it is...., as i have checked many sites....it's written alll the lines u told , i have checked all, means ownership as well as process id.....
It is written that ... there is a file named passwd.lock , just check the pid of that file...
Kill that pid..
but this is also not the pb in my case...
SO plzz help me what i can do???
Gaurav